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13 January, 00:16

Once the system reaches equilibrium at 675°C additionally H2 is added in the temperature is held constant which statement best describes how this affects the value of K

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  1. 13 January, 00:34
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    The given question is incomplete. The complete question is:

    Once the system reaches equilibrium at 675°C additionally H2 is added in the temperature is held constant which statement best describes how this affects the value of K

    1. The value of K increases because the formation of products is favoured.

    2. The value of K decreases because the formation of reactants.

    3. The value of K remains unchanged because the temperature remained constant.

    4. The value of K cannot be determined as until the equilibrium concentrations are determined.

    Answer : The value of K remains unchanged because the temperature remained constant.

    Explanation:

    Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K.

    K has a definite value for every chemical reaction at a particular temperature.

    K is independent of initial concentrations of the reactants.

    K changes with the temperature change.

    K depends on the nature of the reaction.

    Thus as temperature is held constant, the value of K also remains constant.
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